Nasruddin was about to give up, when one of the village children said, "I know what happened to your donkey. My uncle says the new police chief is a real donkey. So he must be your donkey!"
"That's impossible, boy," Nasruddin replied. "My donkey is smart enough as donkeys go, but he's not capable of taking bribes, and he wouldn't know how to frame people for crimes they didn't commit. And that means he's not qualified to be chief of police!"
Inspired by: The World of Nasrudin by Idries Shah, free to read online at the Idries Shah Foundation.
Notes: This is story #108 in the book.